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01 2015 檔案

Create views of OpenCASCADE objects in the Debugger

摘要: Abstract. The Visual Studio Natvis framework lets you customize the way Visual Studio displays native types in debugger variable windows such as the Watch, Locals and Data Tips windows. It supersedes the autoexp.dat file that has been used in earlier versions of Visual Studio and offers XML syntax, better diagnostics, versioning, and multiple file support. The container in OpenCASCADE is difficult for debugging, such as TColStd_Array1OfInteger in the TColStd package, .etc. Use the natvis framewo 閱讀全文

posted @ 2015-01-31 19:16 eryar 閱讀(3295) | 評論 (1) 編輯 |

Undo/Redo for Qt Tree Model

摘要: Abstract. Qt contains a set of item view classes that use a model/view architecture to manage the relationship between data and the way it is presented to the user. The separation of functionality introduced by this architecture gives developers greater flexibility to customize the presentation of items, and provides a standard model interface to allow a wide range of data sources to be used with existing item views. Model 3D aided design software such as AVEVA Plant/PDMS, Marine use the archite 閱讀全文

posted @ 2015-01-28 20:57 eryar 閱讀(4503) | 評論 (0) 編輯 |

OpenCASCADE General Transformation

摘要: Abstract. OpenCASCADE provides a general transformation class: gp_GTrsf. It can be a transformation from gp, an affinity, or you can define your own transformation giving the matrix of transformation. The general transformation contains the vectorial part of the transformation and the translation part. A GTrsf transformation is only applicable to coordinates. Be careful if you apply such a transformation to all points of a geometric object, as this can change the nature of the object and thus re 閱讀全文

posted @ 2015-01-22 20:30 eryar 閱讀(5899) | 評論 (1) 編輯 |

Iterate Files by Tcltk

摘要: Abstract. Tcl/Tk provide a programming system for developing and using graphical user interface(GUI) applications. Tcl stands for “tool command language” and is pronounced “tickle”, is a simple scripting language for controlling the extending applications. The blog use Tcl/Tk to iterate all the files for a given directory, this is useful to some automation work, such as change all the file names for a given directory; add copyright info for the source code files.

Key Words. Tcl/Tk, Iter 閱讀全文

posted @ 2015-01-18 12:08 eryar 閱讀(1937) | 評論 (0) 編輯 |

AutoCAD File Merger

摘要: Abstract. There are many drawing files during the ship design or other design process, so somebody want to merge them to one DWG file. The DwgMerger is a AutoCADE plugin developed by AutoCAD .NET, its purpose is to merge all the drawing files, include dwg and dxf format to one drawing paper.

Key Words. AutoCAD, DWG, DXF, Merger, 合并閱讀全文

posted @ 2015-01-15 19:32 eryar 閱讀(3549) | 評論 (3) 編輯 |

Qt Undo Framework Demo

摘要: Abstract. Qt’s Undo Framework is an implementation of the Command Pattern, for implementing undo/redo functionality in applications. The Command pattern is based on the idea that all editing in an application is done by creating instances of command objects. Command objects apply changes to the document and are stored on a command stack. Furthermore, each command knows how to undo its changes to bring the document back to its previous state. As long as the application only uses command objects t 閱讀全文

posted @ 2015-01-13 18:59 eryar 閱讀(6739) | 評論 (0) 編輯 |

OpenCASCADE Hidden Line Removal

摘要: Abstract. To provide the precision required in industrial design, drawings need to offer the possibility of removing lines, which are hidden in a given projection. OpenCASCADE provides two algorithms for this Hidden Line Removal component. The paper mainly translate the document of OpenCASCADE Modeling Algorithms, and give some applications in the plant design CAD software.

Key Words. OpenCASCADE, HLR, Hidden Line Removal 閱讀全文

posted @ 2015-01-05 18:39 eryar 閱讀(4892) | 評論 (0) 編輯 |

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